// Constructors
static WebRequest ()
{
#if NET_2_1
AddPrefix ("http", typeof (HttpRequestCreator));
AddPrefix ("https", typeof (HttpRequestCreator));
#if MOBILE
AddPrefix ("file", typeof (FileWebRequestCreator));
AddPrefix ("ftp", typeof (FtpRequestCreator));
#endif
#else
#if NET_2_0
defaultCachePolicy = new HttpRequestCachePolicy (HttpRequestCacheLevel.NoCacheNoStore);
#endif
#if NET_2_0 && CONFIGURATION_DEP
object cfg = ConfigurationManager.GetSection ("system.net/webRequestModules");
WebRequestModulesSection s = cfg as WebRequestModulesSection;
if (s != null) {
foreach (WebRequestModuleElement el in
s.WebRequestModules)
AddPrefix (el.Prefix, el.Type);
return;
}
#endif
ConfigurationSettings.GetConfig ("system.net/webRequestModules");
#endif
}
/// <summary>
/// Upload new Media File by using V2 API
/// </summary>
/// <param name="SecretKey">Backlot Secret Key</param>
/// <param name="APIKey">Backlot API Key</param>
/// <param name="hs">File's Standard Metadata in Hashtable Format</param>
/// <param name="file">Upload File Object</param>
public static void NewMediaUploadStream(string SecretKey, string APIKey, string id, Stream inStream)
{
ArrayList resHS = new ArrayList();
string json = OoyalaAPI.getJSON(SecretKey, APIKey, string.Format(formatUploadURLs, id), null);
resHS = (ArrayList)JSON.JsonDecode(json);
foreach (string uploadurl in resHS)
{
System.Net.Cache.RequestCachePolicy requestCachePolicy = new System.Net.Cache.RequestCachePolicy(System.Net.Cache.RequestCacheLevel.NoCacheNoStore);
HttpWebRequest request = HttpWebRequest.Create(uploadurl) as HttpWebRequest;
request.CachePolicy = requestCachePolicy;
request.Method = "PUT";
request.AllowWriteStreamBuffering = false;
request.Timeout = UPLOAD_TIMEOUT;
request.SendChunked = false;
request.ContentLength = inStream.Length;
var outStream = request.GetRequestStream();
byte[] b = new byte[1024];
int r;
while ((r = inStream.Read(b, 0, b.Length)) > 0)
{
outStream.Write(b, 0, r);
}
outStream.Flush();
outStream.Close();
}
}
internal Stream GetStream(Uri uri, ICredentials credentials, IWebProxy proxy, RequestCachePolicy cachePolicy)
{
if (uri.Scheme == "file")
{
return new FileStream(uri.LocalPath, FileMode.Open, FileAccess.Read, FileShare.Read, 1);
}
return this.GetNonFileStream(uri, credentials, proxy, cachePolicy);
}
internal Task<Stream> GetStreamAsync(Uri uri, ICredentials credentials, IWebProxy proxy,
RequestCachePolicy cachePolicy) {
if (uri.Scheme == "file") {
return Task.Run<Stream>(() => { return new FileStream(uri.LocalPath, FileMode.Open, FileAccess.Read, FileShare.Read, 1, true); });
}
else {
return GetNonFileStreamAsync(uri, credentials, proxy, cachePolicy);
}
}
public void HttpCachePolicy_Is_Set_On_Webrequest()
{
var requestCachePoliciy = new RequestCachePolicy();
var factory = this.CreateWebRequestFactory(new ApiConfiguration(string.Empty) { RequestCachePolicy = requestCachePoliciy });
var request = factory.Create(new Uri("http://asdf/"));
Assert.AreSame(requestCachePoliciy, request.CachePolicy);
}
public WebRequestChannel()
{
// Set HWR default values
this.allowPipelining = true;
this.authenticationLevel = AuthenticationLevel.MutualAuthRequested;
this.cachePolicy = WebRequest.DefaultCachePolicy;
this.impersonationLevel = TokenImpersonationLevel.Delegation;
this.maxResponseHeadersLength = HttpWebRequest.DefaultMaximumResponseHeadersLength;
this.readWriteTimeout = 5 * 60 * 1000; // 5 minutes
this.unsafeAuthenticatedConnectionSharing = false;
}
public WebRequestHandler ()
{
allowPipelining = true;
authenticationLevel = AuthenticationLevel.MutualAuthRequested;
cachePolicy = System.Net.WebRequest.DefaultCachePolicy;
continueTimeout = TimeSpan.FromMilliseconds (350);
impersonationLevel = TokenImpersonationLevel.Delegation;
maxResponseHeadersLength = HttpWebRequest.DefaultMaximumResponseHeadersLength;
readWriteTimeout = 300000;
serverCertificateValidationCallback = null;
unsafeAuthenticatedConnectionSharing = false;
}
/// <summary>
/// Construct a BitmapImage with the given Uri and RequestCachePolicy
/// </summary>
/// <param name="uriSource">Uri of the source Bitmap</param>
/// <param name="uriCachePolicy">Optional web request cache policy</param>
public BitmapImage(Uri uriSource, RequestCachePolicy uriCachePolicy)
: base(true) // Use base class virtuals
{
if (uriSource == null)
{
throw new ArgumentNullException("uriSource");
}
BeginInit();
UriSource = uriSource;
UriCachePolicy = uriCachePolicy;
EndInit();
}
/// <summary>
/// Create BitmapFrame from the uri or stream
/// </summary>
internal static BitmapFrame CreateFromUriOrStream(
Uri baseUri,
Uri uri,
Stream stream,
BitmapCreateOptions createOptions,
BitmapCacheOption cacheOption,
RequestCachePolicy uriCachePolicy
)
{
// Create a decoder and return the first frame
if (uri != null)
{
Debug.Assert((stream == null), "Both stream and uri are non-null");
BitmapDecoder decoder = BitmapDecoder.CreateFromUriOrStream(
baseUri,
uri,
null,
createOptions,
cacheOption,
uriCachePolicy,
true
);
if (decoder.Frames.Count == 0)
{
throw new System.ArgumentException(SR.Get(SRID.Image_NoDecodeFrames), "uri");
}
return decoder.Frames[0];
}
else
{
Debug.Assert((stream != null), "Both stream and uri are null");
BitmapDecoder decoder = BitmapDecoder.Create(
stream,
createOptions,
cacheOption
);
if (decoder.Frames.Count == 0)
{
throw new System.ArgumentException(SR.Get(SRID.Image_NoDecodeFrames), "stream");
}
return decoder.Frames[0];
}
}
public static string downloadSelfUpdater(Uri uri)
{
WebClient client = new WebClient();
RequestCachePolicy policy = new RequestCachePolicy(RequestCacheLevel.NoCacheNoStore);
client.CachePolicy = policy;
string fileName = Path.GetTempPath() + Path.GetFileName(uri.AbsolutePath);
try
{
client.DownloadFile(uri, fileName);
return fileName;
}
catch (Exception)
{
}
return "";
}
internal void FetchRequest(System.Uri uri, WebRequest request)
{
this._Request = request;
this._Policy = request.CachePolicy;
this._Response = null;
this._ResponseCount = 0;
this._ValidationStatus = CacheValidationStatus.DoNotUseCache;
this._CacheFreshnessStatus = System.Net.Cache.CacheFreshnessStatus.Undefined;
this._CacheStream = null;
this._CacheStreamOffset = 0L;
this._CacheStreamLength = 0L;
if (!uri.Equals(this._Uri))
{
this._CacheKey = uri.GetParts(UriComponents.AbsoluteUri, UriFormat.Unescaped);
}
this._Uri = uri;
}
internal void FetchRequest(System.Uri uri, WebRequest request)
{
this._Request = request;
this._Policy = request.CachePolicy;
this._Response = null;
this._ResponseCount = 0;
this._ValidationStatus = CacheValidationStatus.DoNotUseCache;
this._CacheFreshnessStatus = System.Net.Cache.CacheFreshnessStatus.Undefined;
this._CacheStream = null;
this._CacheStreamOffset = 0L;
this._CacheStreamLength = 0L;
if (!uri.Equals(this._Uri))
{
this._CacheKey = uri.GetParts(UriComponents.AbsoluteUri, UriFormat.Unescaped);
}
this._Uri = uri;
}
private Stream GetNonFileStream(Uri uri, ICredentials credentials, IWebProxy proxy, RequestCachePolicy cachePolicy)
{
WebRequest request = WebRequest.Create(uri);
if (credentials != null)
{
request.Credentials = credentials;
}
if (proxy != null)
{
request.Proxy = proxy;
}
if (cachePolicy != null)
{
request.CachePolicy = cachePolicy;
}
WebResponse response = request.GetResponse();
HttpWebRequest request2 = request as HttpWebRequest;
if (request2 != null)
{
lock (this)
{
if (this.connections == null)
{
this.connections = new Hashtable();
}
OpenedHost host = (OpenedHost) this.connections[request2.Address.Host];
if (host == null)
{
host = new OpenedHost();
}
if (host.nonCachedConnectionsCount < (request2.ServicePoint.ConnectionLimit - 1))
{
if (host.nonCachedConnectionsCount == 0)
{
this.connections.Add(request2.Address.Host, host);
}
host.nonCachedConnectionsCount++;
return new XmlRegisteredNonCachedStream(response.GetResponseStream(), this, request2.Address.Host);
}
return new XmlCachedStream(response.ResponseUri, response.GetResponseStream());
}
}
return response.GetResponseStream();
}
/// <summary>
/// Initializes a new instance of the <see cref="T:System.Net.WebClient" /> class.
/// </summary>
public NexusWebClient(IAuthManager authManager)
{
_authManager = authManager;
var os = OperatingSystem.Detect();
// Workaround: disable certificate cache on MacOSX.
if (os == SupportedOperatingSystem.MacOSX)
{
CachePolicy = new RequestCachePolicy(RequestCacheLevel.NoCacheNoStore);
ServicePointManager.ServerCertificateValidationCallback += (o, certificate, chain, errors) => true;
}
// Add a version number header of requests.
var version = $"{Assembly.GetEntryAssembly().GetName().Version}-{os}";
Headers.Add("X-ParkitectNexusInstaller-Version", version);
Headers.Add("user-agent", $"ParkitectNexus/{version}");
}
/*-------------- internal members -------------*/
//
internal void FetchRequest(Uri uri, WebRequest request)
{
_Request = request;
_Policy = request.CachePolicy;
_Response = null;
_ResponseCount = 0;
_ValidationStatus = CacheValidationStatus.DoNotUseCache;
_CacheFreshnessStatus = CacheFreshnessStatus.Undefined;
_CacheStream = null;
_CacheStreamOffset = 0L;
_CacheStreamLength = 0L;
if (!uri.Equals(_Uri))
{
// it's changed from previous call
_CacheKey = uri.GetParts(UriComponents.AbsoluteUri, UriFormat.Unescaped);
}
_Uri = uri;
}
private async Task<Stream> GetNonFileStreamAsync(Uri uri, ICredentials credentials, IWebProxy proxy,
RequestCachePolicy cachePolicy) {
WebRequest req = WebRequest.Create(uri);
if (credentials != null) {
req.Credentials = credentials;
}
if (proxy != null) {
req.Proxy = proxy;
}
if (cachePolicy != null) {
req.CachePolicy = cachePolicy;
}
WebResponse resp = await Task<WebResponse>.Factory.FromAsync(req.BeginGetResponse, req.EndGetResponse, null).ConfigureAwait(false);
HttpWebRequest webReq = req as HttpWebRequest;
if (webReq != null) {
lock (this) {
if (connections == null) {
connections = new Hashtable();
}
OpenedHost openedHost = (OpenedHost)connections[webReq.Address.Host];
if (openedHost == null) {
openedHost = new OpenedHost();
}
if (openedHost.nonCachedConnectionsCount < webReq.ServicePoint.ConnectionLimit - 1) {
// we are not close to connection limit -> don't cache the stream
if (openedHost.nonCachedConnectionsCount == 0) {
connections.Add(webReq.Address.Host, openedHost);
}
openedHost.nonCachedConnectionsCount++;
return new XmlRegisteredNonCachedStream(resp.GetResponseStream(), this, webReq.Address.Host);
}
else {
// cache the stream and save the connection for the next request
return new XmlCachedStream(resp.ResponseUri, resp.GetResponseStream());
}
}
}
else {
return resp.GetResponseStream();
}
}
private Stream GetNonFileStream(Uri uri, ICredentials credentials, IWebProxy proxy,
RequestCachePolicy cachePolicy)
{
HttpClient client = new HttpClient();
HttpRequestMessage req = new HttpRequestMessage(HttpMethod.Get, uri);
lock (this)
{
if (_connections == null)
{
_connections = new Hashtable();
}
}
HttpResponseMessage resp = client.SendAsync(req).GetAwaiter().GetResult();
Stream respStream = new MemoryStream();
resp.Content.CopyToAsync(respStream);
return respStream;
}
internal RequestCachingSectionInternal(RequestCachingSection section)
{
if (!section.DisableAllCaching)
{
this.defaultCachePolicy = new RequestCachePolicy(section.DefaultPolicyLevel);
this.isPrivateCache = section.IsPrivateCache;
this.unspecifiedMaximumAge = section.UnspecifiedMaximumAge;
}
else
{
this.disableAllCaching = true;
}
this.httpRequestCacheValidator = new HttpRequestCacheValidator(false, this.UnspecifiedMaximumAge);
this.ftpRequestCacheValidator = new FtpRequestCacheValidator(false, this.UnspecifiedMaximumAge);
this.defaultCache = new WinInetCache(this.IsPrivateCache, true, true);
if (!section.DisableAllCaching)
{
HttpCachePolicyElement defaultHttpCachePolicy = section.DefaultHttpCachePolicy;
if (defaultHttpCachePolicy.WasReadFromConfig)
{
if (defaultHttpCachePolicy.PolicyLevel == HttpRequestCacheLevel.Default)
{
HttpCacheAgeControl cacheAgeControl = (defaultHttpCachePolicy.MinimumFresh != TimeSpan.MinValue) ? HttpCacheAgeControl.MaxAgeAndMinFresh : HttpCacheAgeControl.MaxAgeAndMaxStale;
this.defaultHttpCachePolicy = new HttpRequestCachePolicy(cacheAgeControl, defaultHttpCachePolicy.MaximumAge, (defaultHttpCachePolicy.MinimumFresh != TimeSpan.MinValue) ? defaultHttpCachePolicy.MinimumFresh : defaultHttpCachePolicy.MaximumStale);
}
else
{
this.defaultHttpCachePolicy = new HttpRequestCachePolicy(defaultHttpCachePolicy.PolicyLevel);
}
}
FtpCachePolicyElement defaultFtpCachePolicy = section.DefaultFtpCachePolicy;
if (defaultFtpCachePolicy.WasReadFromConfig)
{
this.defaultFtpCachePolicy = new RequestCachePolicy(defaultFtpCachePolicy.PolicyLevel);
}
}
}
// Constructors
static WebRequest ()
{
if (Platform.IsMacOS) {
#if MONOTOUCH
Type type = Type.GetType ("MonoTouch.CoreFoundation.CFNetwork, monotouch");
#else
Type type = Type.GetType ("MonoMac.CoreFoundation.CFNetwork, monomac");
#endif
if (type != null)
cfGetDefaultProxy = type.GetMethod ("GetDefaultProxy");
}
#if NET_2_1
IWebRequestCreate http = new HttpRequestCreator ();
RegisterPrefix ("http", http);
RegisterPrefix ("https", http);
#if MOBILE
RegisterPrefix ("file", new FileWebRequestCreator ());
RegisterPrefix ("ftp", new FtpRequestCreator ());
#endif
#else
defaultCachePolicy = new HttpRequestCachePolicy (HttpRequestCacheLevel.NoCacheNoStore);
#if CONFIGURATION_DEP
object cfg = ConfigurationManager.GetSection ("system.net/webRequestModules");
WebRequestModulesSection s = cfg as WebRequestModulesSection;
if (s != null) {
foreach (WebRequestModuleElement el in
s.WebRequestModules)
AddPrefix (el.Prefix, el.Type);
return;
}
#endif
ConfigurationSettings.GetConfig ("system.net/webRequestModules");
#endif
}
/*-------------- internal members -------------*/
//
internal void FetchRequest(Uri uri, WebRequest request)
{
_Request = request;
_Policy = request.CachePolicy;
_Response = null;
_ResponseCount = 0;
_ValidationStatus = CacheValidationStatus.DoNotUseCache;
_CacheFreshnessStatus = CacheFreshnessStatus.Undefined;
_CacheStream = null;
_CacheStreamOffset = 0L;
_CacheStreamLength = 0L;
if (!uri.Equals(_Uri))
{
// it's changed from previous call
_CacheKey = uri.GetParts(UriComponents.AbsoluteUri, UriFormat.Unescaped);
}
_Uri = uri;
}
public List<GitHubRelease> GetReleases()
{
RequestCachePolicy cachePolicy = new RequestCachePolicy(RequestCacheLevel.NoCacheNoStore);
using (WebClient wc = new WebClient { Proxy = Proxy, CachePolicy = cachePolicy })
{
string response = wc.DownloadString(ReleasesURL);
if (!string.IsNullOrEmpty(response))
{
return JsonConvert.DeserializeObject<List<GitHubRelease>>(response);
}
}
return null;
}
public static void CachePolicy_Roundtrips()
{
var wc = new WebClient();
var c = new RequestCachePolicy(RequestCacheLevel.BypassCache);
wc.CachePolicy = c;
Assert.Same(c, wc.CachePolicy);
}
public bool CheckUpdate()
{
UpdateInfo = new UpdateInfo(ReleaseChannel);
UpdateInfo.CurrentVersion = ApplicationVersion;
try
{
RequestCachePolicy cachePolicy = new RequestCachePolicy(RequestCacheLevel.NoCacheNoStore);
using (WebClient wc = new WebClient { Proxy = Proxy, CachePolicy = cachePolicy })
using (MemoryStream ms = new MemoryStream(wc.DownloadData(URL)))
using (XmlTextReader xml = new XmlTextReader(ms))
{
XDocument xd = XDocument.Load(xml);
if (xd != null)
{
string node;
switch (ReleaseChannel)
{
default:
case ReleaseChannelType.Stable:
node = "Stable";
break;
case ReleaseChannelType.Beta:
node = "Beta|Stable";
break;
case ReleaseChannelType.Dev:
node = "Dev|Beta|Stable";
break;
}
string path = string.Format("Update/{0}/{1}", ApplicationName, node);
XElement xe = xd.GetNode(path);
if (xe != null)
{
UpdateInfo.LatestVersion = new Version(xe.GetValue("Version"));
UpdateInfo.URL = xe.GetValue("URL");
string date = xe.GetValue("Date");
if (!string.IsNullOrEmpty(date))
{
DateTime dateTime;
if (DateTime.TryParse(date, CultureInfo.InvariantCulture, DateTimeStyles.None, out dateTime))
{
UpdateInfo.Date = dateTime;
}
}
UpdateInfo.Summary = xe.GetValue("Summary");
if (UpdateInfo.IsUpdateRequired)
{
UpdateInfo.Status = UpdateStatus.UpdateRequired;
if (!string.IsNullOrEmpty(UpdateInfo.Summary) && UpdateInfo.Summary.IsValidUrl())
{
try
{
wc.Encoding = Encoding.UTF8;
UpdateInfo.Summary = wc.DownloadString(UpdateInfo.Summary.Trim());
}
catch (Exception ex)
{
DebugHelper.WriteException(ex);
}
}
}
else
{
UpdateInfo.Status = UpdateStatus.UpToDate;
}
return true;
}
}
}
}
catch (Exception ex)
{
DebugHelper.WriteException(ex);
}
UpdateInfo.Status = UpdateStatus.UpdateCheckFailed;
return false;
}
/// <summary>
/// Create a BitmapDecoder from a Uri with the specified BitmapCreateOptions and
/// BitmapCacheOption
/// </summary>
/// <param name="bitmapUri">Uri to decode</param>
/// <param name="createOptions">Bitmap Create Options</param>
/// <param name="cacheOption">Bitmap Caching Option</param>
/// <param name="uriCachePolicy">Optional web request cache policy</param>
public static BitmapDecoder Create(
Uri bitmapUri,
BitmapCreateOptions createOptions,
BitmapCacheOption cacheOption,
RequestCachePolicy uriCachePolicy
)
{
if (bitmapUri == null)
{
throw new ArgumentNullException("bitmapUri");
}
return CreateFromUriOrStream(
null,
bitmapUri,
null,
createOptions,
cacheOption,
uriCachePolicy,
true
);
}
// ------------------------------------------------------------------
/// <summary>
/// Downloads the head.
/// </summary>
/// <param name="absoluteUri">The absolute URI.</param>
/// <param name="options">The options.</param>
/// <returns></returns>
public static string DownloadHead(
Uri absoluteUri,
WebSiteDownloaderOptions options )
{
try
{
if ( _headPool.ContainsKey( absoluteUri ) )
{
return _headPool[absoluteUri];
}
else
{
Debug.WriteLine(
string.Format(
@"Reading HEAD from URL '{0}'.",
absoluteUri ) );
HttpWebRequest req =
(HttpWebRequest)WebRequest.Create( absoluteUri );
req.Method = @"HEAD";
ApplyProxy( req, options );
RequestCachePolicy cp = new RequestCachePolicy(
RequestCacheLevel.BypassCache );
req.CachePolicy = cp;
using ( HttpWebResponse resp =
(HttpWebResponse)req.GetResponse() )
{
_headPool[absoluteUri] = resp.ContentType;
return resp.ContentType;
}
}
}
catch ( WebException x )
{
if ( x.Status == WebExceptionStatus.ProtocolError )
{
HttpWebResponse resp =
(HttpWebResponse)x.Response;
if ( resp.StatusCode == HttpStatusCode.NotFound ||
resp.StatusCode == HttpStatusCode.InternalServerError )
{
Trace.WriteLine(
string.Format(
@"Ignoring web exception: '{0}'.",
x.Message ) );
return null;
}
else
{
try
{
throw;
}
catch (Exception ex)
{
Console.WriteLine(ex.Message.ToString());
}
}
}
else
{
try
{
throw;
}
catch (Exception ex)
{
Console.WriteLine(ex.Message.ToString());
}
}
}
return "Out OF Robot";
}
internal RequestCacheBinding(RequestCache requestCache, RequestCacheValidator cacheValidator, RequestCachePolicy policy)
{
this.m_RequestCache = requestCache;
this.m_CacheValidator = cacheValidator;
this.m_Policy = policy;
}
internal RequestCacheBinding(RequestCache requestCache, RequestCacheValidator cacheValidator, RequestCachePolicy policy)
{
m_RequestCache = requestCache;
m_CacheValidator = cacheValidator;
m_Policy = policy;
}
/// <summary>
/// Internal method which does the actual work of getting the Mark data.
/// </summary>
private ReevooMarkData ObtainReevooMarkDataInternal(Parameters params_, String baseUri_)
{
var _builder = new UriBuilder (baseUri_);
_builder.Query = params_.ToQueryString();
//Console.WriteLine ("URL: " + _builder.Uri);
HttpWebRequest _req = (HttpWebRequest)WebRequest.Create (_builder.ToString ());
//Explicitly set the cache level. .NET Framework default is to always bypass the
//cache and go straight to the server. RequestCacheLevel.Default will request cache-control
//and age headers defined in RFC-2616.
var _cachePolicy = new System.Net.Cache.RequestCachePolicy (RequestCacheLevel.Default);
_req.CachePolicy = _cachePolicy;
HttpWebResponse _res = null;
String _content = String.Empty;
try {
//stream web content into a string
try {
_res = (HttpWebResponse)_req.GetResponse ();
} catch (WebException e) {
_res = (HttpWebResponse)e.Response;
}
if( _res.StatusCode == HttpStatusCode.OK){
using (var s = new StreamReader (_res.GetResponseStream ())) {
_content = s.ReadToEnd ();
}
} else {
_content = null;
}
} catch (Exception e_) {
throw new ReevooException (e_);
}
return new ReevooMarkData {
Content = _content,
BestPrice = GetBestPrice (_res.Headers),
ReviewCount = GetReviewCount (_res.Headers),
ScoreCount = GetScoreCount (_res.Headers),
OverallScore = GetOverallScore (_res.Headers),
Sku = params_["sku"],
Retailer = params_["trkref"],
Params = params_,
};
}
/// <summary>
/// Upload new Media File by using V2 API
/// </summary>
/// <param name="SecretKey">Backlot Secret Key</param>
/// <param name="APIKey">Backlot API Key</param>
/// <param name="hs">File's Standard Metadata in Hashtable Format</param>
/// <param name="file">Upload File Object</param>
public static void NewMediaUploadStream(string SecretKey, string APIKey, string id, Stream inStream)
{
ArrayList resHS = new ArrayList();
string json = OoyalaAPI.getJSON(SecretKey, APIKey, string.Format(formatUploadURLs, id), null);
resHS = (ArrayList)JSON.JsonDecode(json);
foreach (string uploadurl in resHS)
{
System.Net.Cache.RequestCachePolicy requestCachePolicy = new System.Net.Cache.RequestCachePolicy(System.Net.Cache.RequestCacheLevel.NoCacheNoStore);
HttpWebRequest request = HttpWebRequest.Create(uploadurl) as HttpWebRequest;
request.CachePolicy = requestCachePolicy;
request.Method = "PUT";
request.AllowWriteStreamBuffering = false;
request.Timeout = UPLOAD_TIMEOUT;
request.SendChunked = false;
request.ContentLength = inStream.Length;
var outStream = request.GetRequestStream();
byte[] b = new byte[1024];
int r;
while ((r = inStream.Read(b, 0, b.Length)) > 0)
outStream.Write(b, 0, r);
outStream.Flush();
outStream.Close();
}
}
private void InternalSetCachePolicy(RequestCachePolicy policy)
{
if ((((this.m_CacheBinding != null) && (this.m_CacheBinding.Cache != null)) && ((this.m_CacheBinding.Validator != null) && (this.CacheProtocol == null))) && ((policy != null) && (policy.Level != RequestCacheLevel.BypassCache)))
{
this.CacheProtocol = new RequestCacheProtocol(this.m_CacheBinding.Cache, this.m_CacheBinding.Validator.CreateValidator());
}
this.m_CachePolicy = policy;
}
/// <summary>
/// Donwload a binary content.
/// </summary>
/// <param name="absoluteUri">The absolute URI.</param>
/// <param name="binaryContent">Content of the binary.</param>
/// <param name="options">The options.</param>
public static void DownloadBinary(
Uri absoluteUri,
out byte[] binaryContent,
WebSiteDownloaderOptions options )
{
Debug.WriteLine(
string.Format(
@"Reading content from URL '{0}'.",
absoluteUri ) );
try
{
HttpWebRequest req = (HttpWebRequest)WebRequest.Create( absoluteUri );
ApplyProxy( req, options );
RequestCachePolicy cp = new RequestCachePolicy(
RequestCacheLevel.BypassCache );
req.CachePolicy = cp;
using ( HttpWebResponse resp = (HttpWebResponse)req.GetResponse() )
using ( Stream stream = resp.GetResponseStream() )
using ( MemoryStream mem = new MemoryStream() )
{
int blockSize = 16384;
byte[] blockBuffer = new byte[blockSize];
int read;
while ( (read = stream.Read( blockBuffer, 0, blockSize )) > 0 )
{
mem.Write( blockBuffer, 0, read );
}
mem.Seek( 0, SeekOrigin.Begin );
binaryContent = mem.GetBuffer();
}
}
catch ( WebException x )
{
if ( x.Status == WebExceptionStatus.ProtocolError )
{
HttpWebResponse resp =
(HttpWebResponse)x.Response;
if ( resp.StatusCode == HttpStatusCode.NotFound ||
resp.StatusCode == HttpStatusCode.InternalServerError )
{
Trace.WriteLine(
string.Format(
@"Ignoring web exception: '{0}'.",
x.Message ) );
binaryContent = null;
}
else
{
throw;
}
}
else
{
throw;
}
}
}
void InternalSetCachePolicy(RequestCachePolicy policy){
// Delayed creation of CacheProtocol until caching is actually turned on.
if (m_CacheBinding != null &&
m_CacheBinding.Cache != null &&
m_CacheBinding.Validator != null &&
CacheProtocol == null &&
policy != null &&
policy.Level != RequestCacheLevel.BypassCache)
{
CacheProtocol = new RequestCacheProtocol(m_CacheBinding.Cache, m_CacheBinding.Validator.CreateValidator());
}
m_CachePolicy = policy;
}
internal static void BeginDownload(
BitmapDecoder decoder,
Uri uri,
RequestCachePolicy uriCachePolicy,
Stream stream
)
{
lock (_syncLock)
{
if (!_thread.IsAlive)
{
_thread.IsBackground = true;
_thread.Start();
}
}
QueueEntry entry;
// If there is already a download for this uri, just add the decoder to the list
if (uri != null)
{
lock (_syncLock)
{
if (_uriTable[uri] != null)
{
entry = (QueueEntry)_uriTable[uri];
entry.decoders.Add(decoder);
return;
}
}
}
entry = new QueueEntry();
entry.decoders = new List<BitmapDecoder>();
lock (_syncLock)
{
entry.decoders.Add(decoder);
}
entry.inputUri = uri;
entry.inputStream = stream;
string cacheFolder = MS.Win32.WinInet.InternetCacheFolder.LocalPath;
bool passed = false;
new SecurityPermission(SecurityPermissionFlag.UnmanagedCode).Assert(); // BlessedAssert
try
{
// Get the file path
StringBuilder tmpFileName = new StringBuilder(NativeMethods.MAX_PATH);
MS.Win32.UnsafeNativeMethods.GetTempFileName(cacheFolder, "WPF", 0, tmpFileName);
try
{
string pathToUse = tmpFileName.ToString();
SafeFileHandle fileHandle = MS.Win32.UnsafeNativeMethods.CreateFile(
pathToUse,
NativeMethods.GENERIC_READ | NativeMethods.GENERIC_WRITE, /* dwDesiredAccess */
0, /* dwShare */
null, /* lpSecurityAttributes */
NativeMethods.CREATE_ALWAYS, /* dwCreationDisposition */
NativeMethods.FILE_ATTRIBUTE_TEMPORARY |
NativeMethods.FILE_FLAG_DELETE_ON_CLOSE, /* dwFlagsAndAttributes */
IntPtr.Zero /* hTemplateFile */
);
if (fileHandle.IsInvalid)
{
throw new Win32Exception();
}
entry.outputStream = new FileStream(fileHandle, FileAccess.ReadWrite);
entry.streamPath = pathToUse;
passed = true;
}
catch(Exception e)
{
if (CriticalExceptions.IsCriticalException(e))
{
throw;
}
}
}
finally
{
SecurityPermission.RevertAssert();
}
if (!passed)
{
throw new IOException(SR.Get(SRID.Image_CannotCreateTempFile));
}
entry.readBuffer = new byte[READ_SIZE];
entry.contentLength = -1;
entry.contentType = string.Empty;
entry.lastPercent = 0;
// Add the entry to the table if we know the uri
if (uri != null)
{
lock (_syncLock)
{
_uriTable[uri] = entry;
}
}
if (stream == null)
{
bool fElevate = false;
if (uri.Scheme == Uri.UriSchemeHttp || uri.Scheme == Uri.UriSchemeHttps)
{
SecurityHelper.BlockCrossDomainForHttpsApps(uri);
// In this case we first check to see if the consumer has media permissions for
// safe media (Site of Origin + Cross domain), if it
// does we assert and run the code that requires the assert
if (SecurityHelper.CallerHasMediaPermission(MediaPermissionAudio.NoAudio,
MediaPermissionVideo.NoVideo,
MediaPermissionImage.SafeImage))
{
fElevate = true;
}
}
// This is the case where we are accessing an http image from an http site and we have media permission
if (fElevate)
{
(new WebPermission(NetworkAccess.Connect, BindUriHelper.UriToString(uri))).Assert(); // BlessedAssert
}
try
{
entry.webRequest = WpfWebRequestHelper.CreateRequest(uri);
if (uriCachePolicy != null)
{
entry.webRequest.CachePolicy = uriCachePolicy;
}
}
finally
{
if(fElevate)
{
WebPermission.RevertAssert();
}
}
entry.webRequest.BeginGetResponse(_responseCallback, entry);
}
else
{
_workQueue.Enqueue(entry);
// Signal
_waitEvent.Set();
}
}
internal static BitmapDecoder CreateFromUriOrStream(
Uri baseUri,
Uri uri,
Stream stream,
BitmapCreateOptions createOptions,
BitmapCacheOption cacheOption,
RequestCachePolicy uriCachePolicy,
bool insertInDecoderCache
)
{
Guid clsId = Guid.Empty;
bool isOriginalWritable = false;
SafeMILHandle decoderHandle = null;
BitmapDecoder cachedDecoder = null;
Uri finalUri = null;
Stream uriStream = null;
UnmanagedMemoryStream unmanagedMemoryStream = null;
SafeFileHandle safeFilehandle = null;
// check to ensure that images are allowed in partial trust
DemandIfImageBlocked();
if (uri != null)
{
finalUri = (baseUri != null) ?
System.Windows.Navigation.BaseUriHelper.GetResolvedUri(baseUri, uri) :
uri;
if (insertInDecoderCache)
{
if ((createOptions & BitmapCreateOptions.IgnoreImageCache) != 0)
{
ImagingCache.RemoveFromDecoderCache(finalUri);
}
cachedDecoder = CheckCache(
finalUri,
out clsId
);
}
}
// try to retrieve the cached decoder
if (cachedDecoder != null)
{
decoderHandle = cachedDecoder.InternalDecoder;
}
else if ((finalUri != null) && (finalUri.IsAbsoluteUri) && (stream == null) &&
((finalUri.Scheme == Uri.UriSchemeHttp) ||
(finalUri.Scheme == Uri.UriSchemeHttps)))
{
return new LateBoundBitmapDecoder(baseUri, uri, stream, createOptions, cacheOption, uriCachePolicy);
}
else if ((stream != null) && (!stream.CanSeek))
{
return new LateBoundBitmapDecoder(baseUri, uri, stream, createOptions, cacheOption, uriCachePolicy);
}
else
{
// Create an unmanaged decoder
decoderHandle = BitmapDecoder.SetupDecoderFromUriOrStream(
finalUri,
stream,
cacheOption,
out clsId,
out isOriginalWritable,
out uriStream,
out unmanagedMemoryStream,
out safeFilehandle
);
}
BitmapDecoder decoder = null;
// Find out the decoder type and wrap it appropriately and return that
if (MILGuidData.GUID_ContainerFormatBmp == clsId)
{
decoder = new BmpBitmapDecoder(
decoderHandle,
cachedDecoder,
baseUri,
uri,
stream,
createOptions,
cacheOption,
insertInDecoderCache,
isOriginalWritable,
uriStream,
unmanagedMemoryStream,
safeFilehandle
);
}
else if (MILGuidData.GUID_ContainerFormatGif == clsId)
{
decoder = new GifBitmapDecoder(
decoderHandle,
cachedDecoder,
baseUri,
uri,
stream,
createOptions,
cacheOption,
insertInDecoderCache,
isOriginalWritable,
uriStream,
unmanagedMemoryStream,
safeFilehandle
);
}
else if (MILGuidData.GUID_ContainerFormatIco == clsId)
{
decoder = new IconBitmapDecoder(
decoderHandle,
cachedDecoder,
baseUri,
uri,
stream,
createOptions,
cacheOption,
insertInDecoderCache,
isOriginalWritable,
uriStream,
unmanagedMemoryStream,
safeFilehandle
);
}
else if (MILGuidData.GUID_ContainerFormatJpeg == clsId)
{
decoder = new JpegBitmapDecoder(
decoderHandle,
cachedDecoder,
baseUri,
uri,
stream,
createOptions,
cacheOption,
insertInDecoderCache,
isOriginalWritable,
uriStream,
unmanagedMemoryStream,
safeFilehandle
);
}
else if (MILGuidData.GUID_ContainerFormatPng == clsId)
{
decoder = new PngBitmapDecoder(
decoderHandle,
cachedDecoder,
baseUri,
uri,
stream,
createOptions,
cacheOption,
insertInDecoderCache,
isOriginalWritable,
uriStream,
unmanagedMemoryStream,
safeFilehandle
);
}
else if (MILGuidData.GUID_ContainerFormatTiff == clsId)
{
decoder = new TiffBitmapDecoder(
decoderHandle,
cachedDecoder,
baseUri,
uri,
stream,
createOptions,
cacheOption,
insertInDecoderCache,
isOriginalWritable,
uriStream,
unmanagedMemoryStream,
safeFilehandle
);
}
else if (MILGuidData.GUID_ContainerFormatWmp == clsId)
{
decoder = new WmpBitmapDecoder(
decoderHandle,
cachedDecoder,
baseUri,
uri,
stream,
createOptions,
cacheOption,
insertInDecoderCache,
isOriginalWritable,
uriStream,
unmanagedMemoryStream,
safeFilehandle
);
}
else
{
decoder = new UnknownBitmapDecoder(
decoderHandle,
cachedDecoder,
baseUri,
uri,
stream,
createOptions,
cacheOption,
insertInDecoderCache,
isOriginalWritable,
uriStream,
unmanagedMemoryStream,
safeFilehandle
);
}
return decoder;
}
